The number 27365
27365 is a composite number with 8 divisors. Its prime factorisation is 5 × 13 × 421. Divisors (8): 1, 5, 13, 65, 421, 2105, 5473, 27365.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
27365 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
27365 is composite. Its prime factorisation is
- 3
The divisors add up to 35448; without 27365 itself that is 8083, so 27365 is deficient (8083 is less than 27365). Euler's totient φ(27365) = 20160 numbers up to 27365 share no factor with it.
- 4
The digits of 27365 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 59 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27365 = 5 \times 13 \times 421 \]
27365 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 35448 |
| Euler totient φ(n) | 20160 |
| Square | 748843225 |
| Cube | 20492094852125 |
| Square root | 165.423698 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 59 |
| Scientific notation | 2.7365 × |
27365 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand three hundred and sixty-five |
| Binary (base 2) | 110101011100101 |
| Octal (base 8) | 65345 |
| Hexadecimal (base 16) | 6AE5 |
| Base 3 | 1101112112 |
| As time | 27365 seconds = 7 h 36 min 5 s |
Is 27365 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (27365 ÷ 5 = 5473) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27365 a prime number?
No. 27365 = 5 × 13 × 421, so it is divisible by 5.
What are the factors of 27365?
1, 5, 13, 65, 421, 2105, 5473, 27365.
What is 27365 in binary?
110101011100101 (hexadecimal 6AE5, octal 65345).
What is the square root of 27365?
About 165.4237.
Is 27365 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 27365?
It is a composite number with 8 divisors.